Below are the links to some sites or pages which can be useful for the Indian community.
Living Cost in Australia (helps you in your financial preparation before visit)
Indian consulate in Australia (contact details of Indian consulate in Australia)
NRIs or Indian Diaspora FAQs (national portal of India)
Indians in Australia Community page (follow the community page to stay updated)
International Students in Australia (If you are a student, follow this page)
Indian Population in Australia (stats)